package com.beeway.blackgoose.activity;

import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;

import com.beeway.blackgoose.R;
import com.beeway.blackgoose.utils.Utils;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SelectPicActivity extends Activity implements OnClickListener {

    // 使用照相机拍照获取图片
    public static final int SELECT_PIC_BY_TACK_PHOTO = 1;
    // 使用相册中的图片
    public static final int SELECT_PIC_BY_PICK_PHOTO = 2;
    // 从Intent获取图片路径的KEY
    public static final String KEY_PHOTO_PATH = "photo_path";
    private static final int PHOTO_RESOULT = 0x03;
    private LinearLayout dialogLayout;
    private Button takePhotoBtn, pickPhotoBtn, cancelBtn;

    /**
     * 获取到的图片路径
     */
    private String picPath;
    private Intent lastIntent;
    private Uri photoUri;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_select_pic);

        dialogLayout = (LinearLayout) findViewById(R.id.dialog_layout);
        dialogLayout.setOnClickListener(this);
        takePhotoBtn = (Button) findViewById(R.id.btn_take_photo);
        takePhotoBtn.setOnClickListener(this);
        pickPhotoBtn = (Button) findViewById(R.id.btn_pick_photo);
        pickPhotoBtn.setOnClickListener(this);
        cancelBtn = (Button) findViewById(R.id.btn_cancel);
        cancelBtn.setOnClickListener(this);
        lastIntent = getIntent();
    }

    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.dialog_layout:
                finish();
                break;
            case R.id.btn_take_photo:
                takePhoto();
                break;
            case R.id.btn_pick_photo:
                pickPhoto();
                break;
            default:
                finish();
                break;
        }
    }

    /**
     * 拍照获取图片
     */
    private void takePhoto() {
        // 执行拍照前，应该先判断SD卡是否存在
        String SDState = Environment.getExternalStorageState();
        if (SDState.equals(Environment.MEDIA_MOUNTED)) {

            Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);// "android.media.action.IMAGE_CAPTURE"
            /***
             * 需要说明一下，以下操作使用照相机拍照，拍照后的图片会存放在相册中的 这里使用的这种方式有一个好处就是获取的图片是拍照后的原图
             * 如果不实用ContentValues存放照片路径的话，拍照后获取的图片为缩略图不清晰
             */
            ContentValues values = new ContentValues();
            photoUri = this.getContentResolver().insert(
                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
            intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);
            /** ----------------- */
            startActivityForResult(intent, SELECT_PIC_BY_TACK_PHOTO);
        } else {
            Toast.makeText(this, "内存卡不存在", Toast.LENGTH_LONG).show();
        }
    }

    /***
     * 从相册中取图片
     */
    private void pickPhoto() {
        Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);
        startActivityForResult(intent, SELECT_PIC_BY_PICK_PHOTO);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        finish();
        return super.onTouchEvent(event);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode == Activity.RESULT_OK) {
            doPhoto(requestCode, data);
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

    /**
     * 选择图片后，获取图片的路径
     *
     * @param requestCode
     * @param data
     */
    private void doPhoto(int requestCode, Intent data) {
        if (requestCode == SELECT_PIC_BY_PICK_PHOTO) // 从相册取图片，有些手机有异常情况，请注意
        {
            if (data == null) {
                Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
                return;
            }
            photoUri = data.getData();
            if (photoUri == null) {
                Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
                return;
            }
            cropImage(photoUri);
        }
        if (requestCode == SELECT_PIC_BY_TACK_PHOTO) {
            //photoUri = data.getData();
            if (photoUri == null) {
                Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
                return;
            }
            cropImage(photoUri);
        }
        if (requestCode == PHOTO_RESOULT) {
            Bundle d = data.getExtras();
            if (d != null) {
                Bitmap bm = d.getParcelable("data");
                SimpleDateFormat sdf = new SimpleDateFormat("MMddhhmmss");
                Date dt = new Date();
                String picN = "cy" + sdf.format(dt) + ".jpg";
                File temp = new File(this.getCacheDir(), picN);
                if (temp.exists()) temp.delete();
                try {
                    temp.createNewFile();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                try {
                    bm.compress(CompressFormat.JPEG, 100, new FileOutputStream(temp));
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
                bm.recycle();
                bm = null;
                lastIntent.putExtra(KEY_PHOTO_PATH, temp.getAbsolutePath());
                setResult(Activity.RESULT_OK, lastIntent);
                finish();
            }
        }

    }

    private void cropImage(Uri uri) {
        System.out.println("cropImages");
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");

        intent.putExtra("crop", "true");
        // aspectX aspectY 是宽高的比例
        intent.putExtra("aspectX", 2);
        intent.putExtra("aspectY", 1);
        // outputX outputY 是裁剪图片宽高
        intent.putExtra("outputX", 500);
        intent.putExtra("outputY", 250);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, PHOTO_RESOULT);

    }

    @Override
    public void onBackPressed() {
        super.onBackPressed();
        Utils.getAnimOut(this);
    }
}
